KR940002213A - Method of Purifying Hydrochloric Acid Gas - Google Patents

Method of Purifying Hydrochloric Acid Gas Download PDF

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Publication number
KR940002213A
KR940002213A KR1019930014050A KR930014050A KR940002213A KR 940002213 A KR940002213 A KR 940002213A KR 1019930014050 A KR1019930014050 A KR 1019930014050A KR 930014050 A KR930014050 A KR 930014050A KR 940002213 A KR940002213 A KR 940002213A
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KR
South Korea
Prior art keywords
stream
hydrochloric acid
products
acetyl chloride
acid
Prior art date
Application number
KR1019930014050A
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Korean (ko)
Other versions
KR100268117B1 (en
Inventor
꼬레이아 이브
뺄르그랭 다니엘
Original Assignee
앙리 니일
엘프 아토켐 에스.에이
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Application filed by 앙리 니일, 엘프 아토켐 에스.에이 filed Critical 앙리 니일
Publication of KR940002213A publication Critical patent/KR940002213A/en
Application granted granted Critical
Publication of KR100268117B1 publication Critical patent/KR100268117B1/en

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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C53/00—Saturated compounds having only one carboxyl group bound to an acyclic carbon atom or hydrogen
    • C07C53/15—Saturated compounds having only one carboxyl group bound to an acyclic carbon atom or hydrogen containing halogen
    • C07C53/16—Halogenated acetic acids
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B7/00—Halogens; Halogen acids
    • C01B7/01—Chlorine; Hydrogen chloride
    • C01B7/07—Purification ; Separation
    • C01B7/0706—Purification ; Separation of hydrogen chloride
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B7/00—Halogens; Halogen acids
    • C01B7/01—Chlorine; Hydrogen chloride
    • C01B7/07—Purification ; Separation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
    • C07C51/363—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by introduction of halogen; by substitution of halogen atoms by other halogen atoms

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)

Abstract

본 발명은 불순한 염산 기류가 부생물로서 생성되는, 아세트산 무수물 또는 아세틸 클로라이드 존재하의 아세트산의 염소화 반응에 의한 클로로아세트간의 합성 과정중에서, a)기류에 함유된 염소가 사라질때까지 기류를 활성탄과 접촉시키고, b)1회 이상의 압축 및 냉각과정을 수행하여 a)에서 얻은 기류에서 (i)순수한 염삼과(ii)기타 생성물을 분리하고, c)클로로아세트산의 활성을 위해 기타 생성물(ii)를 반응기내로 재순환 시킴을 특징으로 하는 염 기체의 정제 방법에 관한 것이다.In the present invention, in the process of synthesizing chloroacetic acid by the chlorination reaction of acetic acid in the presence of acetic anhydride or acetyl chloride in which an impure hydrochloric acid stream is produced as a by-product, a) the air stream is contacted with activated carbon until the chlorine contained in the stream disappears. b) at least one compression and cooling process to separate (i) pure ginseng and (ii) other products from the stream obtained in a), and c) other products (ii) in the reactor for the activity of chloroacetic acid. And a process for purifying salt gas characterized by recycling to a furnace.

Description

염산 기체의 정제방법Method of Purifying Hydrochloric Acid Gas

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 아세틸 클로라이드틀 촉매로하여 모노클로로아세트산을 합성하는 본 발명의 가능한 수행 공정을 나타내는 도면이다.1 is a diagram showing a possible performing process of the present invention for synthesizing monochloroacetic acid with an acetyl chloride catalyst.

Claims (3)

불순한 염산 기류가 부생물로서 생성되는, 아세트산 무수물 또는 아세틸 클로라이드 존재하의 아세트산의 염소화 반응에 의한 클로로아세트산의 합성 과정중에서, a)기류에 함유된 염소가 사라질때까지 기류를 활성탄과 접촉시키고, b)1회 이상의 압축 및 냉각과정을 수행하여 a)에서 얻은 기류에서 (i)순수한 염삼과(ii)기타 생성물을 분리하고, c)클로로아세트산의 활성을 위해 기타 생성물(ii)를 반응기내로 재순환 시킴을 특징으로 하는 염 기체의 정제 방법.During the synthesis of chloroacetic acid by the chlorination of acetic acid in the presence of acetic anhydride or acetyl chloride in which an impure hydrochloric acid stream is produced as a by-product, a) the air stream is contacted with activated charcoal until the chlorine contained in the stream disappears, and b) At least one compression and cooling process is carried out to separate (i) pure ginseng and (ii) other products from the stream obtained in a) and c) recycle other products (ii) into the reactor for the activity of chloroacetic acid. Method for purifying salt gas, characterized in that. 제1항에 있어서, 활성탄이 고정층에서 과립 형태로 있음을 특징으로 하는 방법.The method of claim 1 wherein the activated carbon is in the form of granules in a fixed bed. 제1항 또는 2항에 있어서, a)단계에서 정재되는 염산 기류가 아세틸 클로라이드와 염소를 함유하고, 염소에 대한 아세틸 클로라이드의 몰비 5보다 크며, 잔류시간이 2내지 3초이고 온도가 120내지 150℃임을 특징으로 하는 방법.The hydrochloric acid stream defined in step a) contains acetyl chloride and chlorine, the molar ratio of acetyl chloride to chlorine is greater than 5, the residence time is 2 to 3 seconds and the temperature is 120 to 150. Characterized in that it is ℃. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930014050A 1992-07-23 1993-07-23 Synthesis of chloroacetic acids KR100268117B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR929209095A FR2694001B1 (en) 1992-07-23 1992-07-23 Process for the synthesis of chloracetic acid in which the hydrochloric acid is purified by product.
FR9209095 1992-07-23
FR92-211678 1992-08-07

Publications (2)

Publication Number Publication Date
KR940002213A true KR940002213A (en) 1994-02-16
KR100268117B1 KR100268117B1 (en) 2000-10-16

Family

ID=9432182

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019930014050A KR100268117B1 (en) 1992-07-23 1993-07-23 Synthesis of chloroacetic acids

Country Status (13)

Country Link
US (1) US5401876A (en)
JP (1) JP2515272B2 (en)
KR (1) KR100268117B1 (en)
CN (1) CN1033635C (en)
CA (1) CA2101088C (en)
DE (1) DE4324413C2 (en)
ES (1) ES2081746B1 (en)
FI (1) FI107529B (en)
FR (1) FR2694001B1 (en)
GB (1) GB2268932B (en)
IT (1) IT1270946B (en)
NL (1) NL195060C (en)
SE (1) SE506070C2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11139805A (en) * 1997-07-29 1999-05-25 Millipore Corp Composition and method for removing water content from hydrogen halide
US20050020856A1 (en) * 2003-07-24 2005-01-27 The Regents Of The University Of Califorinia Process for production of acetyl anhydrides and optionally acetic acid from methane and carbon dioxide
CN104058947A (en) * 2014-06-06 2014-09-24 中国天辰工程有限公司 Chloroacetic acid production method capable of reducing acetic anhydride consumption
KR101636936B1 (en) * 2014-06-16 2016-07-08 (주)화백엔지니어링 Apparatus for making oxidized copper powder usiing wasted copper chloride liquid
CN105060249B (en) * 2015-07-28 2017-03-29 江苏同泰化工有限公司 A kind of method that tail gas hydrogen chloride produced using production monoxone prepares refined hydrochloric acid
FR3050942B1 (en) * 2016-05-03 2018-04-13 Arkema France PROCESS FOR PURIFYING HYDROCHLORIC ACID
CN115245792B (en) * 2022-09-22 2022-12-27 山东民基新材料科技有限公司 Chloroacetic acid synthesis system and synthesis method

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA552754A (en) * 1958-02-04 M. Eaker Charles Process for the production of monochloroacetic acid
GB191006031A (en) * 1910-03-10 1910-11-03 United Alkali Co Ltd Improvements in the Manufacture of Mono-chlor-acetic Acid.
FR749128A (en) * 1933-01-16 1933-07-18 Ivag A G Method and device for the production of rugs by means of sewing machines
US2826610A (en) * 1955-09-12 1958-03-11 Dow Chemical Co Manufacture of monochloroacetic acid
NL109769C (en) * 1962-05-25 1964-10-15
FR2252288B1 (en) * 1973-11-27 1980-01-04 Rhone Progil
DE2522286C3 (en) * 1975-05-20 1978-05-18 Hoechst Ag, 6000 Frankfurt Process for the purification of crude hydrogen chloride
JPS544354A (en) * 1977-06-11 1979-01-13 Hitachi Ltd Electromagnetic relay having locking mechanism
JPS56100736A (en) * 1980-01-16 1981-08-12 Tsukishima Kikai Co Ltd Purifying method of monochloroacetic acid
JPS6058215B2 (en) * 1980-03-10 1985-12-19 ダイセル化学工業株式会社 Manufacturing method of monochloroacetic acid
DE3526801A1 (en) * 1985-07-26 1987-02-05 Hoechst Ag METHOD FOR PURIFYING HYDROGEN CHLORINE GAS
SU1404503A1 (en) * 1985-10-02 1988-06-23 Чапаевский Завод Химических Удобрений Method of producing monochoroacetic acid
DE3816783A1 (en) * 1988-05-17 1989-11-30 Wacker Chemie Gmbh METHOD FOR PURIFYING RAW, GASEOUS CHLORINE
DE3835934A1 (en) * 1988-10-21 1990-04-26 Bayer Ag METHOD FOR REMOVING SULFUR DIOXIDE AND HYDROGEN CHLORIDE FROM HOT GASES

Also Published As

Publication number Publication date
CA2101088A1 (en) 1994-01-24
ES2081746A1 (en) 1996-03-01
JP2515272B2 (en) 1996-07-10
FR2694001B1 (en) 1994-09-02
JPH06206704A (en) 1994-07-26
GB2268932B (en) 1996-03-06
NL195060C (en) 2003-07-04
IT1270946B (en) 1997-05-26
CN1084822A (en) 1994-04-06
GB2268932A (en) 1994-01-26
US5401876A (en) 1995-03-28
DE4324413C2 (en) 1995-10-19
DE4324413A1 (en) 1994-01-27
SE9302473D0 (en) 1993-07-22
FR2694001A1 (en) 1994-01-28
CN1033635C (en) 1996-12-25
NL9301192A (en) 1994-02-16
SE506070C2 (en) 1997-11-10
ITTO930519A0 (en) 1993-07-13
FI107529B (en) 2001-08-31
SE9302473L (en) 1994-01-24
CA2101088C (en) 1996-02-13
FI933300A0 (en) 1993-07-22
KR100268117B1 (en) 2000-10-16
FI933300A (en) 1994-01-24
ES2081746B1 (en) 1996-10-16
ITTO930519A1 (en) 1995-01-13
GB9315153D0 (en) 1993-09-08

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